<template>
  <div class="container-fluid">
    <div class="row">
      <div class="col-3 col-sm-9 col-md-6 col-lg-9 col-xl-3">
        col-sm-3 col-md-9
      </div>

      <div class="col-9 col-sm-3 col-md-6 col-lg-3 col-xl-9">
        col-sm-9 col-md-3
      </div>
    </div>
  </div>
</template>

<script>
export default { test };
let test = {
  data() {
    return {
      name: "test",
    };
  },
};
</script>

<style scoped>
.col-sm-3 {
  background-color: orange;
}
.col-sm-9 {
  background-color: red;
}
.col-md-3 {
  background-color: green;
}
.col-md-9 {
  background-color: blue;
}
</style>